65 lines
1.5 KiB
JavaScript
65 lines
1.5 KiB
JavaScript
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const fs = require('fs')
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const path = require('path')
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function fileExists (filepath, options, done) {
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if (typeof options === 'function') {
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done = options
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options = {}
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}
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var fileSystem = fs;
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if(options && options.fileSystem)
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{
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fileSystem = options.fileSystem
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}
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if (!done) {
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return new Promise((resolve, reject) => {
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fileSystem.stat(fullPath(filepath, options), (err, stats) => {
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if (err) {
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return err.code === 'ENOENT'
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? resolve(false)
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: reject(err)
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}
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resolve(stats.isFile())
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})
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})
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}
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fileSystem.stat(fullPath(filepath, options), (err, stats) => {
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if (err) {
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return err.code === 'ENOENT'
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? done(null, false)
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: done(err)
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}
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done(null, stats.isFile())
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})
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}
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fileExists.sync = function fileExistsSync (filepath, options) {
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const _filepath = filepath || '';
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const _options = options || {};
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try {
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var fileSystem = _options.fileSystem || fs;
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return fileSystem.statSync(fullPath(_filepath, _options)).isFile()
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}
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catch (e) {
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// Check exception. If ENOENT - no such file or directory ok, file doesn't exist.
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// Otherwise something else went wrong, we don't have rights to access the file, ...
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if (e.code != 'ENOENT') {
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throw e
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}
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return false
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}
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}
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function fullPath (filepath, options) {
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const _options = options || {};
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const root = _options.root;
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return (root) ? path.join(root, filepath) : filepath
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}
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module.exports = fileExists
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